2K Construction logo2K ConstructionBuilding Services · London

Services

Everything you need under one roof.

Six specialisms, one accountable team. We manage and deliver construction projects across London.

Open-plan loft interior with vaulted oak beam ceiling and skylights
Hip-to-gable loft conversion exterior with new tiled roof and scaffolding
Rear dormer loft conversion with skylights on a London terrace
Close-up of new skylights installed on a refurbished tiled roof
Restored period staircase and stained glass window during loft refurbishment
New roof tiles being laid around a Velux window during a loft conversion
Newly tiled hipped roof viewed from above with ridge tiles in place
Detail of bonnet hip tiles on a freshly laid clay tile roof

01 · Service

Loft Conversions

We handle everything from basic Velux loft conversions to full L‑shaped dormers, transforming unused roof space into practical, modern living areas built to all UK building standards.

  • Adds 20–25% to property value
  • No need to move home
  • Most projects 8–10 weeks
DormerHip-to-gableL-shapeMansard
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Rear extension exterior with new brickwork and french doors
Open-plan kitchen extension with shaker units and roof lantern
Wrap-around extension interior with skylights and panelled walls
Period staircase and stained glass window in extended townhouse
Side return extension with multiple skylights and open-plan living
Kitchen extension in progress with new units and skylight
Finished kitchen extension with marble worktops and rooflight
Rear lower-ground extension with sliding glass doors on a London townhouse
Garden studio extension interior with skylight and modern furnishings

02 · Service

House Extensions

We build single‑storey, double‑storey, side return and wrap‑around extensions tailored to the practical needs of London family living.

  • Open-plan kitchen-diners
  • Increased natural light
  • Permitted-development specialists
RearSide returnWrap-aroundDouble-storey
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Bespoke oak media wall with integrated desk and shelving in refurbished living room
Built-in green wardrobes and oak shelving with arched fireplace alcove
Bedroom refurbishment with green fitted joinery and large sash windows
Period reception room refurbishment with bay windows and new oak flooring
Refurbished bathroom with terracotta zellige tiles, marble vanity and walk-in shower
Reception room with bespoke walnut media unit, illuminated artwork and arched glass door
Refurbished staircase with patterned kilim runner and recessed wall lighting
Open-plan dining area with hand-painted bamboo mural, oak table and bespoke kitchen joinery
New utility kitchen install with marble worktops protected during refurbishment
Structural strip-out with new red steel beams installed in a London townhouse
First-fix joinery and insulated ceiling structure during full refurbishment
New timber floor joists and roof framing during structural refurbishment

03 · Service

Full Refurbishments

We carry out complete home renovations, including strip‑out, structural works, M&E, joinery and decoration, all managed as a single package.

  • Single point of accountability
  • Fixed-price contracts available
  • Heritage and listed expertise
Period homesFlatsTownhousesInvestment properties
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New Builds

04 · Service

New Builds

We deliver ground‑up residential developments, from single dwellings to small multi‑unit projects, built to meet and exceed current Building Regulations.

  • Main contractor experience
  • NHBC-style standards
  • Programme certainty
Single dwellingsBackland plotsMulti-unitSelf-build
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Graffiti-clad railway arch exterior of new American dive bar fit-out
Completed sports bar fit-out under brick vaulted ceiling with booth seating and big screens
Interior bar fit-out with timber bar, leather booths and feature lighting in vaulted arch
Stripped-back railway arch with exposed brick vault during commercial fit-out
Mid-works commercial fit-out with scaffold tower and tanking membrane on arch wall
Below-ground drainage first-fix in railway arch commercial unit
New structural steelwork installed in commercial arch with red props and grey beams

05 · Service

Commercial Fit-Outs

We deliver out‑of‑hours fit‑outs for shops, restaurants, cafés and offices, ensuring opening dates are met while maintaining high workmanship standards.

  • Out-of-hours scheduling
  • Landlord licence support
  • Brand-spec finishes
RestaurantsRetailOfficesHospitality
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Completed structural rebuild with new dormer, glass balcony and full-width glazing
Structural strip-out with red RSJ steel beams supporting period roof and walls
Below-ground drainage and groundworks in a stripped-out railway arch

06 · Service

Structural & Groundworks

We provide underpinning, basement works, RSJ installations, foundations and drainage as part of our comprehensive structural services.

  • Engineer-led approach
  • Building Control liaison
  • Insurance-backed warranties
UnderpinningBasementsSteelworkFoundations
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Start your project

Ready to transform your London home?

Speak with our project team for an honest, detailed quote, no obligation, no pressure. Most consultations are booked within 48 hours.

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